mozilla/fjord — pull request #378 by willkg (2014-11-11 18:35:05+00:00)
Title: Remove all Heartbeat v1 stuff

This removes all the Heartbeat v1 stuff and adds a HeartbeatV2API view
shim. Leaving the shim just makes some things a little easier so I don't
have to undo and then redo all the urls.py stuff.

Quick r?